Ari SihvolaAri Sihvola is Professor of Electromagnetics at Helsinki University of Technology with research interests in electromagnetic theory, complex media, materials modelling, remote sensing, and radar applications. He is Vice-Chairman of the Finnish Nationl Committee of URSI (International Union of Radio Science) and served as the Secretary of the 22nd European Microwave Conference, held in August 1992 in Espoo, Finland. Ari received the degrees of Diploma Engineer in 1981, Licentiate of Technology in 1984 and Doctor of Technology in 1987, all in Electrical Engineering, from the Helsinki University of Technology, Finland. Besides working for HUT and the Academy of Finland, he was visiting engineer at the Research Laboratory of Electronics at the Massachusetts Institute of Technology in 1985-1986, and a visiting scientist at Pennsylvania State University in 1990-1991. In 1996, he was visiting scientist at Lund University, Sweden. Read More Read Less